Samiksha Hiwase | 6 Min Read | June 30, 2020

Optimize Shopify speed by Leverage Browser Caching

1. Quick read

Let’s say if your website takes time more than 2 seconds for loading pages, that concludes the lesser visitors will stay on your site. That’s why it is necessary to minimize the page load time. As no one wants to wait for 10 seconds.
When you start running speed tests for your website, you will see the “leverage browser caching” warning in the Google Page Speed Insights.
Page speed is one of the important factors in ranking high on Google and providing a quality experience for your customers.
Nowadays, you’ll find a number of options for improving page speed, but one of the smartest ways for your website’s speed is to properly leverage browser caching.

2. What is the cache browser?

The whole idea behind caching is to “save” an up-to-date version of your website for visitors to access it more quickly. In simple words, it is a place on your hard disk where the browser keeps things downloaded.
What happens behind the scenes when a user accesses your domain in their web browser:
  • The user enters your URL.
  • Their browser sends a request to your server.
  • Your website server packages up all the data and sends it to the user’s browser.
  • The browser displays the website page.
This is quite simple to understand.
When users come to any website for the first time, the browser will download images, as well as other items into the cache. Then, they will be displayed on the pages as you are viewing.
For the next visits, the browsers will not need to download the same images again because it has already been in your hard disk so that page loads quickly.

3. How does the cache affect a good impact on your Shopify store?

Currently, all of us frequently operate the data by apps or browsers. The website caches are for storing requested objects therefore, the same things will not be retrieved more than once in the Web server.
Caching is an easily accessible storage location.
Caching technology allows applications faster as well as more efficient. Because with the stored data such as images or blogs in local storage, the websites or browsers will be loaded quickly, which means that you can make your Shopify store to have more customers and revenue.
The customer’s shopping experiences will be improved as caching data gets download.

4. What is Leverage browser caching?

“Leveraging” browser caching, means you can set timeframes at which these files are stored on the user’s device. By utilizing this, sites can load faster because some of the files are already stored on the user’s computer and do not need to be reloaded.
When you visit any site for the first time it takes quite a bit time to load than when you visit that same site again because of leverage browser caching.
You can specify how long web browsers should keep images, CSS, and Javascript files stored in the cache. Hence, the user’s browser will download less data while navigating through your pages it will improve your page loading speed.

5. What is the leverage browser caching warning?

The leverage browser caching warning is one that comes across when testing page performance on popular speed testing tools. The leverage browser caching warning will be triggered if you set the expiry times too low or you did not place the browser caching rules.
Every cached resource provides a specified expiration date. This tells browsers when content has become outdated on your site, so it can replace its cached copy with an updated version.
The “Leverage Browser Caching” warning is displayed in your performance test result, it likely means of two things:-
  • The important headers are present, but the expiration period is very short and so, doesn’t have an effect on performance.
  • The Expires headers are missing from your site’s server or that of a third-party.

6. Conclusion

Remember, in Shopify, Leverage browser caching is of the server-side task.
Therefore, if there is a Third-party library or any application which is unused or wants to remove then it requires the client permission. The client’s permission is needed for accessing the leverage browser caching in Shopify.

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